gs1-digital-link

GS1 Barcode Syntax Engine

GS1 Barcode Syntax Dictionary and Syntax Tests

Java models for GS1 EPCIS 2.0 and CBV 2.0 supply chain traceability: documents, events, master data, queries and subscriptions, with Jackson (JSON/JSON-LD) and JAXB (XML) bindings, GS1 Web Vocabulary classes and a Quarkus extension.

Generate valid EPCIS 2.0 and CBV 2.0 test events in JSON/JSON-LD or XML; GS1 Digital Link and EPC URIs, randomized serials and timestamps, event hash IDs. Available as a Java/Quarkus library, a REST API and a free online tool.

Java library and Quarkus extensions for GS1 identifiers: convert EPC URN to GS1 Digital Link Web URI and back, validate against GS1 rules (check digit, GCP length), and generate Digital Link QR codes. Covers SGTIN, SSCC, SGLN, GRAI, GIAI, GDTI, ITIP, UPUI, LGTIN and more. EPCIS 2.0 ready.

Datamatrix generator, reader, and verifier which supports GS1, MHI, and HIBC semantics

Open-source GS1 Digital Link resolver for EU Digital Product Passports (ESPR/EFPR). Maintained by Grigolato.IT — the OrigoVero DPP platform with per-unit authenticity.

GS1 Digital Link implementation for Rust

This app serves as an example for GS1 Barcode Syntax Engine library.

Expo module for GS1 Syntax Engine

Validate GS1 EPCIS 2.0 documents and events against the official JSON Schema, and EPCIS 1.2 or 2.0 XML against the EPCglobal XSDs. Reports every schema error with line and location instead of stopping at the first one. Covers capture and query documents. Java library, REST API, servlet and Quarkus extension.

The runnable Odal Node: HTTP services to issue, sign, version, store, and serve EU Digital Product Passports — did:web identity, QR/Digital Link resolver, sandboxed Wasm plugin host, and bulk import. Built on dpp-core. BSL-1.1, self-host free.

Open, stateless Rust libraries for EU Digital Product Passports: domain model, ESPR validation rules, Ed25519/JWS signing, GS1 Digital Link, and compliance calculators. Pure regulation & standards logic

Generate and validate GS1 Digital Link URIs, and render them as scannable QR codes. Dependency-free core.

AIQR (爱码) — Agent Ready QR: QR-labelled things legible to AI agents — captions readable without decoding, agent-contract link relations over RFC 9264 linksets.

Magento 2 Extension Digital Product Passport

Open, self-hostable system connecting printed products and artwork to browser experiences: image-target recognition, a GS1 Digital Link resolver, and exportable self-contained bundles.

Turn product, BOM, supplier, and evidence files into an auditable Digital Product Passport readiness bundle.